1. It is new developed 3D zoom glasses for mobile users2. You can enjoy an Easy 3D life via a normal mobile without 3D function3. IMax experience at home, at office, at park, by train, by bus, by airplane, at any time and any where4. Best for 3.5-6 inch mobile phones5. Headset style, convenient and portable6. Light weight design (only 200g), no pressure feeling7. Easily and simply assemble and disassemble8. No need to adjust IPD and sight